High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

SUS 303 Cu


SUS 303 Cu material is JIS G 4318 (2007) Cold finished stainless steel bars Cold finished stainless steel bars.

Chemical composition of SUS 303 Cu, SUS 303 Cu mechanical properties, SUS 303 Cu datasheet, SUS 303 Cu equivalent grade, Heat treatment and temperature process of SUS 303 Cu.


SUS 303 Cu property sheet

SUS 303 Cu Spec.

JIS G 4318 (2007)
Cold finished stainless steel bars

Chemical Composition of SUS 303 Cu

C: Max 0.15
Si: Max 1.00
Mn: Max 3.00
P: Max 0.20
S: Max 0.15
Cr: 17.00 19.00
Ni: 8.00 10.00
Mo: Max 0.60
N: Max Min
Cu: 1.50 3.50

Mechanical Properties of SUS 303 Cu

Rp0.2 (MPa) 785 (≥)
Rm (MPa) 967 (≥)
AKV (J) 12
A (%) 41
Z (%) 33
Hardness HBW 433

SUS 303 Cu shape and dimensions

SUS 303 Cu Round bar: 1mm-800mm
SUS 303 Cu Square bar: 10mm * 10mm-600mm *600mm
SUS 303 Cu Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SUS 303 Cu Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SUS 303 Cu Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SUS 303 Cu Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes